Helena Macedo

Abnormal iris coloration in the Campo Flicker, Colaptes campestris: pigmentary color production error?

Phenotype of regulatory T cells in human type 1 diabetes at diagnosis and partial remission phase

Background Human type 1A diabetes (T1AD) has a broad spectrum of clinical presentations, which may be associated with the severity of autoimmune response and consequently, different levels of pancreatic beta cells destruction. The T1AD presents a partial remission phase. The remission phase is classically a short period in childhood-onset diabetes, but longer periods may occur especially in young.

Sporotrichosis in an unusual location - Case report*

Sporotrichosis is the most common subcutaneous mycosis. It is caused by the dimorphic fungus Sporothrix schenckii, and the infection is usually acquired by traumatic inoculation. We describe a case of sporotrichosis in an uncommon location with an unusual mode of transmission. A 49-year-old female patient who lived in an urban area of Rio de Janeiro presented with involvement of the left ear. N...

Clinical and surgical therapeutic approach in Erithema Elevatum Diutinum - case report*

Erythema elevatum diutinum is a rare chronic cutaneous vasculitis which usually affects adults. It is characterized by symmetrical and persistent papules, plaques, and nodules. These lesions are usually located on the extensor surfaces of the extremities. We report a case of erythema elevatum diutinum in which the association of dapsone and surgical excision promoted complete remission of skin ...

Peripheral primitive neuroectodermal tumour of the liver: a case report and review of the literature.

Peripheral primitive neuroectodermal tumour (PNET) is a malignant mesenchymal tumour. Although PNETs can occur in numerous solid organs, it is an extremely rare tumour entity, specially involving the liver. We report a 19-year-old boy with Hepatitis B Virus (HBV) infection who was diagnosed with a primary PNET of the liver.